Part of buttonbush  genus Cephalanthus in bedstraw  family Rubiaceae.

Native to 🇨🇦 Canada southeast, 🇺🇸 USA east of the ⛰ Rocky Mountains (plus California and Arizona!), and 🇲🇽 Mexico to Central America.   🗺 Map by county (🇺🇸 USA-48), 🗺 map (North America, Central America).  Adobe Acrobat Reader file

Uses by native peoples
(Ethnobotany database)

Learn more about common buttonbush Cephalanthus occidentalis

🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Michigan Flora Minnesota Wildflowers Missouri Botanical Garden Native Plant Trust Flora of North America NRCS PLANTS db USFS Wikipedia